Vacchina, Silvana
Current rating: 1526
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 150 | Driussi, Lorenzo (1500) | Won 2-1 | +171551 |
| 2standard | 109 | Martin, Oscar (1480) | Won 2-1 | +171568 |
| 3standard | 81 | Bouloc, Yannick (1422) | Lost 0-2 | -211547 |
| 4standard | 152 | De Wael, Tom (1525) | Lost 0-2 | -181529 |
| 5standard | 181 | Molano, Ignacio (1470) | Lost 0-2 | -191510 |
| 6standard | 247 | Van De Griendt, Freek (1499) | Lost 0-2 | -191491 |
| 7standard | 217 | Villafaina, Marcal (1466) | Won 2-0 | +181509 |
| 8standard | 158 | Pommier, Emmanuel (1479) | Won 1-0 | +171526 |
| top | average opponent: 1480record: 4-4 | new rating: 1526 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Lopez, Enrique (1465) | Lost 0-2 | -191500 |
| 2sealed | 282 | Cique, Felix (1484) | Lost 0-2 | -191481 |
| 3sealed | 321 | Espinosa Victoria, Javier (1464) | Won 2-1 | +181499 |
| 4sealed | 265 | Riveiro, Francisco Javier (1481) | Lost 0-2 | -181481 |
| 5sealed | 302 | Ojeda, Enrique (1465) | Won 1-0 | +171498 |
| 6sealed | 227 | Ortiz, Jose Antonio (1481) | Won 2-1 | +181516 |
| 7sealed | 160 | Viera Nobregas, Juan Francisco (1527) | Lost 1-2 | -181498 |
| 8sealed | 141 | Cique, Juan (1481) | Won 2-0 | +181516 |
| 9sealed | 100 | Diez Morales, Daniel (1498) | Won 2-0 | +181534 |
| top | average opponent: 1483record: 5-4 | new rating: 1534 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 61 | Bottecchia, Gabriele (1554) | Won 2-1 | +191519 |
| 2extended | 44 | Sattler, Markus (1518) | Won 2-0 | +181537 |
| 3extended | 79 | Sokovowski, Konras (1472) | Won 2-1 | +171554 |
| 4extended | 51 | Bacic, Niko (1552) | Lost 1-2 | -181536 |
| 5extended | 87 | Lorenz, Konstantin (1531) | Lost 1-2 | -181518 |
| 6extended | 131 | Neier, Markus (1569) | Lost 0-2 | -171501 |
| 7extended | 140 | Gyongyi, Andras (1483) | Lost 0-2 | -191482 |
| 8extended | 142 | Esposito, Marco (1569) | Won 2-0 | +201502 |
| 9extended | 113 | Zatorski, Lukasz (1434) | Won 2-0 | +171519 |
| top | average opponent: 1520record: 5-4 | new rating: 1519 | ||